Existentialistic is valid word

Is existentialistic a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words NO
Is existentialistic valid Words with Friends?
Words with Friends NO

16 letters word
25 points in Scrabble
28 points in WWF

Definitions for EXISTENTIALISTIC in dictionary:

NOUN [PHILOSOPHY.]:

a philosophical attitude associated especially with Heidegger, Jaspers, Marcel, and Sartre, and opposed to rationalism and empiricism, that stresses the individual's unique position as a self-determining agent responsible for the authenticity of his or her choices.

Words that contain EXISTENTIALISTIC

existentialistically32

Find what other words can be done using letters: "existentialistic"
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